Home / 92,432.16-127,556.38-49,990.69

Finding the Fourth Proportional to 92,432.16, 127,556.38 and 49,990.69

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Solution

The fourth proportional to 92,432.16, 127,556.38 and 49,990.69 is: 68,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,432.16 : 127,556.38 = 49,990.69 : x
  2. Step 2: Convert to fraction form
    92,432.16/127,556.38 = 49,990.69/x
  3. Step 3: Cross multiply
    92,432.16x = 127,556.38 × 49,990.69
  4. Step 4: Simplify right side
    92,432.16x = 6,376,631,006.23
  5. Step 5: Solve for x
    x = 6,376,631,006.23/92,432.16
  6. Step 6: Final answer
    x = 68,987.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.